using Cielonos.MainGame.Characters;
using UnityEngine;

namespace Cielonos.MainGame.Inventory.Collections
{
    public class Salvo : ConsumableBase
    {
        public override void OnObtained()
        {
            base.OnObtained();
            if (RunManager.Instance != null)
                RunManager.Instance.OnPhaseChanged += CheckAndTrigger;
        }

        public override void OnDiscarded()
        {
            base.OnDiscarded();
            if (RunManager.Instance != null)
                RunManager.Instance.OnPhaseChanged -= CheckAndTrigger;
        }

        private void CheckAndTrigger(RunPhase newPhase)
        {
            if (newPhase == RunPhase.InCombat)
            {
                RunState run = RunManager.Instance.currentRun;
                if (run == null) return;
                
                RunMapNode currentNode = run.mapData.nodes[run.currentPosition];
                if (currentNode == null) return;

                // 判断是否是普通战斗（排除精英战和 Boss 战）
                if (currentNode.nodeType == MapNodeType.NoRewardNormalBattle ||
                    currentNode.nodeType == MapNodeType.MinorRewardNormalBattle ||
                    currentNode.nodeType == MapNodeType.MajorRewardNormalBattle)
                {
                    if (Use(1))
                    {
                        Debug.Log("[Salvo] 生效！削减全场敌人 50% 生命值！");
                        
                        foreach (var enemy in CombatManager.EnemySm.activeEnemiesList)
                        {
                            if (enemy == null || enemy.attributeSm == null) continue;

                            float maxHealth = enemy.attributeSm[CharacterAttribute.MaximumHealth];
                            float pureDamage = maxHealth * 0.9f;
                            
                            // 保底保留 1 点生命值，确保不直接越权跳过死亡逻辑
                            if (enemy.attributeSm[CharacterAttribute.Health] - pureDamage <= 0)
                            {
                                pureDamage = Mathf.Max(0, enemy.attributeSm[CharacterAttribute.Health] - 1f);
                            }

                            Attack.Context context = new Attack.Context(player, enemy, nameof(Salvo));
                            Attack.Value value = new Attack.Value(false, pureDamage, 0, type: Attack.Type.Explosion);
                            Attack.Result result = new Attack.Result(context, value);
                            enemy.TakeDepletion(result);
                            enemy.TakeDamage(result, out var dmgNumber);
                            dmgNumber.SetPosition(enemy.CenterPosition);
                        }
                    }
                }
            }
        }
    }
}